Motorola BLE100 - Manual (Page 25)

3-4 Amplifier Setup
BLE100 Installation and Operation Manual
The slope of the required equalizer is 15 dB. Table 3-1 and Figure 3-1 show that 15 dB of slope
is caused by approximately 20 dB of cable at 1003 MHz. Therefore the correct equalizer is model
SFE-100-20.
When selecting an equalizer, choose the next lower value if the exact value is not available or in
cases where the calculated value makes two choices possible.
Table 3-1 helps you choose the correct equalizers and also lists insertion loss at various
frequencies:
Table 3-1
Starline Forward Equalizers – SFE-100-*
Frequency (MHz) versus Insertion Loss (dB)
Equalizer
Value Equalizer
Slope
50 200 300 450 550 650 750 870 1003
SFE-100-*
22 16.7 17.7 12.4 10.0 7.1 5.4 3.9 2.5 1.0 1.3
20 15.2 16.2 11.4 9.2 6.5 5.0 3.6 2.3 1.0 1.3
18 13.7 14.7 10.3 8.4 6.0 4.6 3.4 2.2 1.0 1.3
16 12.1 13.1 9.3 7.6 5.4 4.2 3.1 2.1 1.0 1.3
14 10.6 11.6 8.2 6.7 4.9 3.8 2.8 1.9 1.0 1.3
12 9.1 10.1 7.2 5.9 4.3 3.4 2.6 1.8 1.0 1.3
10 7.6 8.6 6.2 5.1 3.8 3.0 2.3 1.7 1.0 1.3
8 6.1 7.1 5.1 4.3 3.2 2.6 2.0 1.5 1.0 1.3
6 4.6 5.6 4.1 3.5 2.7 2.2 1.8 1.4 1.0 1.3
4 3.0 4.0 3.1 2.6 2.1 1.8 1.5 1.3 1.0 1.3
2 1.5 2.5 2.0 1.8 1.6 1.4 1.3 1.1 1.0 1.3